US Open: Djokovic’s quest for 24th major continues; Fritz, Tiafoe also fire into quarters
After surviving a scare two nights ago in his five-set comeback win in Round 3, Novak Djokovic snuffed out a spirited challenge from big-hitting Croatian qualifier Borna Gojo 6-2, 7-5, 6-4 to reach his 57th Grand Slam…